package com.suli.account.util;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

/**
 * @author admin
 * @version 1.0 <br/>
 * <p style="font-family:SimSun;font-weight:bold">时间:<br/>2022/4/15 20:39</p>
 */
public class GetDate {

    private GetDate(){}

    /**
     * 获得当天近7天时间
     */
    public static Date getWeekFromNow() {
        Calendar cal = Calendar.getInstance();
        cal.setTimeInMillis( getTimesmorning().getTime()-3600*24*1000*7);
        return cal.getTime();
    }

    /**
     * 获得昨天0点时间
     */
    public static Date getYesterdaymorning() {
        Calendar cal = Calendar.getInstance();
        cal.setTimeInMillis(getTimesmorning().getTime()-3600*24*1000);
        return cal.getTime();
    }

    /**
     * 获得当天0点时间
     */
    public static Date getTimesmorning() {
        Calendar cal = Calendar.getInstance();
        cal.set(Calendar.HOUR_OF_DAY, 0);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.MILLISECOND, 0);
        return cal.getTime();
    }

    /**
     * 获得当天24点时间
     */
    public static Date getTimesnight() {
        Calendar cal = Calendar.getInstance();
        cal.set(Calendar.HOUR_OF_DAY, 24);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.MILLISECOND, 0);
        return cal.getTime();
    }

    /**
     * 获得本周一0点时间
     */
    public static Date getTimesWeekmorning() {
        Calendar cal = Calendar.getInstance();
        cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
        cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
        return cal.getTime();
    }

    /**
     * 获得本周日24点时间
     */
    public static Date getTimesWeeknight() {
        Calendar cal = Calendar.getInstance();
        cal.setTime(getTimesWeekmorning());
        cal.add(Calendar.DAY_OF_WEEK, 7);
        return cal.getTime();
    }

    /**
     * 获得本月第一天0点时间
     */
    public static Date getTimesMonthmorning() {
        Calendar cal = Calendar.getInstance();
        cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
        cal.set(Calendar.DAY_OF_MONTH, cal.getActualMinimum(Calendar.DAY_OF_MONTH));
        return cal.getTime();
    }

    /**
     * 获得本月最后一天24点时间
     */
    public static Date getTimesMonthnight() {
        Calendar cal = Calendar.getInstance();
        cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
        cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH));
        cal.set(Calendar.HOUR_OF_DAY, 24);
        return cal.getTime();
    }



    /**
     * 当季开始时间
     * @return 开始时间
     */
    public static Date getCurrentQuarterStartTime() {
        Calendar c = Calendar.getInstance();
        int currentMonth = c.get(Calendar.MONTH) + 1;
        SimpleDateFormat longSdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        SimpleDateFormat shortSdf = new SimpleDateFormat("yyyy-MM-dd");
        Date now = null;
        try {
            if (currentMonth <= 3)
                c.set(Calendar.MONTH, 0);
            else if (currentMonth <= 6)
                c.set(Calendar.MONTH, 3);
            else if (currentMonth <= 9)
                c.set(Calendar.MONTH, 4);
            else if (currentMonth <= 12)
                c.set(Calendar.MONTH, 9);
            c.set(Calendar.DATE, 1);
            now = longSdf.parse(shortSdf.format(c.getTime()) + " 00:00:00");
        } catch (Exception e) {
            e.printStackTrace();
        }
        return now;
    }

    /**
     * 当前季度的结束时间，即2012-03-31 23:59:59
     *
     * @return 时间
     */
    public static Date getCurrentQuarterEndTime() {
        Calendar cal = Calendar.getInstance();
        cal.setTime(getCurrentQuarterStartTime());
        cal.add(Calendar.MONTH, 3);
        return cal.getTime();
    }


    /**
     * 今年开始时间
     * @return 时间
     */
    public static Date getCurrentYearStartTime() {
        Calendar cal = Calendar.getInstance();
        cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
        cal.set(Calendar.DAY_OF_MONTH, cal.getActualMinimum(Calendar.YEAR));
        return cal.getTime();
    }

    /**
     * 今年结束时间
     * @return 结束
     */
    public static Date getCurrentYearEndTime() {
        Calendar cal = Calendar.getInstance();
        cal.setTime(getCurrentYearStartTime());
        cal.add(Calendar.YEAR, 1);
        return cal.getTime();
    }
   /* public static void main(String[] args) {
        System.out.println("当天24点时间：" + getTimesnight());
        System.out.println("当前时间：" + new Date());
        System.out.println("当天0点时间：" + getTimesmorning());
        System.out.println("昨天0点时间：" + getYesterdaymorning());
        System.out.println("近7天时间：" + getWeekFromNow());
        System.out.println("本周周一0点时间：" + getTimesWeekmorning());
        System.out.println("本周周日24点时间：" + getTimesWeeknight());
        System.out.println("本月初0点时间：" + getTimesMonthmorning());
        System.out.println("本月未24点时间：" + getTimesMonthnight());
        System.out.println("本季度开始点时间：" + getCurrentQuarterStartTime());
        System.out.println("本季度结束点时间：" + getCurrentQuarterEndTime());
        System.out.println("本年开始点时间：" + getCurrentYearStartTime());
        System.out.println("本年结束点时间：" + getCurrentYearEndTime());
    }
*/
}
